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crypto: ATAES132A response length allows stack buffer overflow

Type: advisorySource: Official CVE List1 source record

Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.

Announced Group revision 1
Original source ↗

CVE-2026-0849

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-0849

Zephyr

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/zephyrproject-rtos/zephyr",
    "vendor": "zephyrproject-rtos",
    "product": "Zephyr",
    "versions": [
      {
        "status": "affected",
        "version": "*",
        "lessThan": "4.4.0",
        "versionType": "git"
      }
    ],
    "packageName": "Zephyr",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-0849

Source reference: /cveMetadata/cveId

Publisher severity

low

Source reference: /containers/cna/metrics

Event
#30742 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement